diff --git a/Calculate.java b/Calculate.java
index a533e29..c10b134 100644
--- a/Calculate.java
+++ b/Calculate.java
@@ -15,4 +15,15 @@ public double mult(double x, double y) {
 	public double div(double x, double y) {
 		return x / y;
 	}
+	public double remainder(double x,double y){
+		return x % y;
+	}
+	public double square(double x, double y){
+		int sum=0;
+		for(int i=1; i<y; i++)
+		{
+			sum = x*x;
+		}
+		return sum;
+	}
 }